<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* reset css */
        * {
            margin: 0;
            padding: 0;
        }

        body {
            font: 14px / 1.5 Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, sans-serif;
            color: #e3d0d0;
            background-color: #fff;
            line-height: 1.5;
        }

        img {
            vertical-align: middle;
        }

        ul li {
            list-style: none;
        }

        a {
            text-decoration: none;
        }

        .cf::after {
            content: '';
            display: block;
            clear: both;
        }

        .fl {
            float: left;
        }

        .fr {
            float: right;
        }

        .m-r10 {
            margin-right: 10px;
        }

        .m-l10 {
            margin-left: 10px;
        }

        .m-t10 {
            margin-top: 10px;
        }

        .m-b10 {
            margin-bottom: 10px;
        }

        .m-auto {
            margin: 0 auto;
        }

        /*  */
        .phone {
            width: 90%;
            height: 620px;
        }

        .phone-left {
            height: 100%;
            width: 18%;
        }

        .purple {
            background-color: purple;

        }

        .gold {
            background-color: gold;
        }

        .phone-right {
            height: 100%;
            width: 78%;
        }

        .small-phone {
            height: 100%;
            width: 100%;
        }

        .small-phone>li {
            width: 18%;
            height: 48%;
        }
    </style>
</head>

<body>
    <div class="phone m-auto cf">
        <div class="phone-left m-l10 fl purple"></div>
        <div class="phone-right m-l10 fl">
            <ul class="small-phone cf">
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
                <li class="fl gold m-r10 m-t10"></li>
            </ul>
        </div>
    </div>
</body>

</html>